| 广州市电视台新址项目基坑支护综合施工技术 |
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| 引用本文： | 吴祥威,何凯华.广州市电视台新址项目基坑支护综合施工技术[J].广东土木与建筑,2011(11):3-5. |
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| 作者姓名： | 吴祥威 何凯华 |
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| 作者单位： | 广州建筑股份有限公司 |
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| 摘 要： | 广州市电视台新址项目基坑开挖面积达5.5万m2,开挖深度8.2m,主要采用“连续墙+预应力锚索”支护形式,文中详细介绍了大面积复杂土质基坑支护中的连续墙、预应力锚索等关键施工工艺,以及根据场地特点采用的土方挖运方式和施工监测等方面,结果证明基坑支护处于稳定状态,累计最大水平位移在设计允许范围内,保证了基坑工程的安全.
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| 关 键 词： | 大面积深基坑支护 地下连续墙 预应力锚索 土方挖运 |
Construction Technology of Foundation Pit of Guangzhou TV New Site Construction Project |
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| Wu Xiangwei He Kaihua.Construction Technology of Foundation Pit of Guangzhou TV New Site Construction Project[J].Guangdong Architecture Civil Engineering,2011(11):3-5. |
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| Authors: | Wu Xiangwei He Kaihua |
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| Affiliation: | Wu Xiangwei He Kaihua(Guangzhou Construction Co.,Ltd.Guangzhou 510060,China) |
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| Abstract: | Guangzhou Television New Site project excavation area of about 55,000m2,excavation depth of 8.2m,the main supporting wall +a continuous prestressed anchor support form,details of the large area of complex soil-based pit supporting the continuous wall,prestressed cable construction and other key construction process,and according to site characteristics used in earthwork digging operation methods,construction monitoring and other aspects of construction technology.Monitoring results show that the foundation pit in the steady state,the cumulative value of the maximum horizontal displacement in the design of the allowable range,to ensure the safety of excavation. |
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| Keywords: | a large area of deep foundation pit diaphragm wall prestressed cable earthwork excavation operation |
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